Map of flight path and driving directions from Spokane to Alpena.
Shortest flight path between Spokane International Airport (GEG) and Alpena County Regional Airport (APN).
How far is Alpena from Spokane?
There are several ways to calculate distances between Spokane and Alpena. Here are two common methods:Vincenty's formula (applied above)
- 1621.273 miles
- 2609.186 kilometers
- 1408.848 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1616.683 miles
- 2601.800 kilometers
- 1404.860 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
The time difference between Spokane and Alpena is 3 hours. Alpena is 3 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 187 kg (413 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Alpena (APN).